package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;


import java.util.List;
import java.util.Set;

import static java.util.ResourceBundle.clearCache;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("admin/dish")
@Api("菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;


    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理单个分类缓存
        redisTemplate.delete("dish_"+dishDTO.getCategoryId());
        return Result.success();
    }

    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 根据id删除（可以批量）
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("根据id批量删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("根据id批量删除菜品：{}", ids);
        dishService.deleteBatch(ids);
        //清理redis缓存
        // TODO: 2023/12/30 有必要删除的时候清理缓存吗？毕竟删除的前提是禁用这个菜品,既然禁用了，那么就不会再被用户查询到了,等修改的时候再一并清理缓存不就好了吗？
        redisTemplate.delete("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品及对应的口味
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 根据id修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("根据id修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //由于修改的时候涉及到的缓存更新机制比较复杂，所以这里简单粗暴的清理所有缓存
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    /**
     * 启用禁用菜品状态
     * @param status
     * @param id
     * @return
     */
    @ApiOperation("根据id启用禁用菜品")
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);
        //同样的，这里也是简单粗暴的清理所有缓存
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    /**
     * 根据菜品分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据菜品分类id查询菜品")
    public Result<List<Dish>> DishList(Long categoryId){
        List<Dish> dishList=dishService.listByCategoryId(categoryId);
        return Result.success(dishList);
    }
}
